/Engine/Source/Runtime/Engine/Classes/Kismet/KismetSystemLibrary.h
Returns the Primary Asset Id for a Soft Class Reference, this can return an invalid one if not registered
static [FPrimaryAssetId](API\Runtime\CoreUObject\UObject\FPrimaryAssetId) GetPrimaryAssetIdFromSoftClassReference ( [TSoftClassPtr](API\Runtime\CoreUObject\UObject\TSoftClassPtr)< [UObject](API\Runtime\CoreUObject\UObject\UObject) > SoftClassReference )